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Finding the Fourth Proportional to 57,988.67, 86,835.31 and 38,207.27

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Solution

The fourth proportional to 57,988.67, 86,835.31 and 38,207.27 is: 57,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,988.67 : 86,835.31 = 38,207.27 : x
  2. Step 2: Convert to fraction form
    57,988.67/86,835.31 = 38,207.27/x
  3. Step 3: Cross multiply
    57,988.67x = 86,835.31 × 38,207.27
  4. Step 4: Simplify right side
    57,988.67x = 3,317,739,605.01
  5. Step 5: Solve for x
    x = 3,317,739,605.01/57,988.67
  6. Step 6: Final answer
    x = 57,213.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.